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erigeron oil

noun

: a volatile oil distilled from the horseweed (Erigeron canadensis) and sometimes used medicinally

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erigeron
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“Erigeron oil.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/erigeron%20oil. Accessed 26 Nov. 2025.

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